内容提示: 4.2 The Approximation for Linear Combinations of Chi-Square Random Variables The original Welch-Satterthwaite approximation was for linear combinations of independent chi-square random variables; see Satterthwaite [1], Welch [2], Neter et al [3, p. 971], Burdick and Graybill [12] ...
AndrejNikolai Spiess
Use of the Welch-Satterthwaite Approximation (W-SA) can significantly reduce the number of calibrations required to provide satisfactory levels of uncertainty for the bank average. We first review the standard approach in metrology for expressing the uncertainty in a measurement system. We provide an...
4.2 The Approximation for Linear Combinations of Chi-Square Random Variables The original Welch-Satterthwaite approximation was for linear combinations of independent chi-square random variables; see Satterthwaite [1], Welch [2], Neter et al [3, p. 971], Burdick and Graybill [12] and Searle et...
The first is a direct (model based) crude approximation to the final perfusion quantities (Blood flow, Blood volume, Mean Transit Time and Delay) using the Welch-Satterthwaite approximation for gamma fitted concentration time curves (CTC). The second method is a fast accurate deconvolution method,...
Use of the Welch-Satterthwaite Approximation (W-SA) significantly reduces the number of calibrations required to provide satisfactory levels of uncertainty for the predicted bank average. An intuitive discussion of the W-SA is provided along with examples of its use and information on its usefulness...